II.—Amended characters of the singular lymneadous genus Camptoceras, and description of a new Ancylus, inhabitants of North-western India

W H Benson

Published in Annals And Magazine of Natural History, in 1855, in volume 15, pages 9-13

Date published:1855

DOI: 10.1080/037454809495382
BHL: 2257107
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